--- a/src/hotspot/os/posix/semaphore_posix.cpp	Wed Jan 23 14:10:31 2019 -0800
+++ b/src/hotspot/os/posix/semaphore_posix.cpp	Wed Jan 23 21:17:51 2019 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -79,6 +79,12 @@
   return ret == 0;
 }
 
+bool PosixSemaphore::timedwait(int64_t millis) {
+  struct timespec ts;
+  os::Posix::to_RTC_abstime(&ts, millis);
+  return timedwait(ts);
+}
+
 bool PosixSemaphore::timedwait(struct timespec ts) {
   while (true) {
     int result = sem_timedwait(&_semaphore, &ts);